VALVE SHROUDING *explained* PRO’S and CON’S of installing BIG valves PREDATOR 212 gx200 gx390

Описание к видео VALVE SHROUDING *explained* PRO’S and CON’S of installing BIG valves PREDATOR 212 gx200 gx390

MUST WATCH !!! HOW VALVE size can HELP or HURT your FLOW , does BIGGER valves mean more POWER PRODUCTION ??? , how to CALCULATE the DIFFERENCE between big valves and SHROUDING LOSSES and the increase of SPRING RATE needed to move a bigger valve

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